MMT-SCR series DC motor controllers are full-wave positive feedback motor controllers and can control motors in It provides four-quadrant operation, which can realize positive and reverse torque in two speed directions.

Table 2Relationship between location of BM and J3 and AC input as well as motor voltage

Input voltage of AC line

BM location

J3 location

Motor voltage

115V

115V

A90

90V

230V

230V

A180

180V

230V

230V

A90

90V

Table 3 Connection mode of excitation (only for shunt motor)

AC line voltage(VAC)

Motor Voltage(VDC)

(VDC)

Excitation connection

115

90

100

F+ F-

115

90

50

F+ L1

230

180

200

F+ F-

230

180

100

F+ L1

Jinan Keya Electronic Co., Ltd. has been engaged in the trade, research & development, manufacture and sale of electric drives and automatic control systems for years. Our company staffs skilled technical workers, and has a full range of production equipment and a swift and flexible service system. We insist on the concept of "science and technology leading better quality", and try our best to offer more complete varieties and higher performance-price ratio to provide old and new customers with more considerate and superior services.

Each kind of our products is widely used in mechanical equipment, such as testing machine, digital controlled machine tool, medical instrument, laboratory equipment, packing and printing mechanism, textile machinery, plastic machinery, food machinery, cable equipment, welding equipment, electric vehicle and other machinery with good performances, outstanding features, high reliability and complete functions. That's why they have won a great reputation from customers of various fields. Moreover, our products have been designated as auxiliary products of many medium and large-sized equipment production firms, selling well in many countries.

With the guiding ideology of "Surviving by quality, creating future by science and technology" and the principal of being honest, precise and pragmatic, our company is continuously devoted to developing and manufacturing new products and serving our customers with market orientation in order to strive for the top.

We insist on the tenet of "reputation first, users above all". We'd like to establish closely cooperative relationships with worldwide customers and join hands with you to create a bright future.

The DC CONTROLLER circuit is designed for battery-powered low-voltage high-power direct current motors, use ofmicro-processing chips and PWM impulse width special chip integration, signal processing,sampling to protect and promote the circuit more complete and reliable, while improving energyefficiency Conversion ratio.

erformance index:

Main power(VDC)---------------------------------------------------12V(9V-18V)24V(18-36V)